Reprint of the 1884 first edition (Besterman 411). Carlos Sommervogel (1834-1902) was a French Jesuit scholar. He was author of the monumental Bibliothèque de la Compagnie de Jésus, which served as one of the major references for the editors of the Catholic Encyclopedia.
In 1884 he published his Dictionnaire des ouvrages anonymes et pseudonymes publiés par des religieux de la Compagnie de Jésus. The bibliography contains 7500 entries that cover authors and their publications. It remains a standard work to this day.